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Preliminary Product Information
6
μ
PD789166Y, 789167Y, 789176Y, 789177Y
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) .................................................................................................
8
2.
BLOCK DIAGRAM.............................................................................................................................
12
3.
PIN FUNCTIONS................................................................................................................................
13
3.1
3.2
3.3
Port Pins..................................................................................................................................................
Non-Port Pins..........................................................................................................................................
Pin Input/Output Circuits and Handling of Unused Pins ....................................................................
13
14
15
4.
CPU ARCHITECTURE.......................................................................................................................
17
4.1
4.2
4.3
Memory Space ........................................................................................................................................
Data Memory Addressing ......................................................................................................................
Processor Registers...............................................................................................................................
17
18
19
5.
PERIPHERAL HARDWARE FUNCTIONS ........................................................................................
24
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
Ports ........................................................................................................................................................
Clock Generator......................................................................................................................................
16-Bit Timer Counter..............................................................................................................................
8-Bit Timer/Event Counter .....................................................................................................................
Clock Timer.............................................................................................................................................
Watchdog Timer .....................................................................................................................................
A/D Converter..........................................................................................................................................
Serial Interface........................................................................................................................................
Multiplier..................................................................................................................................................
24
31
36
43
50
53
57
62
91
6.
INTERRUPT FUNCTIONS .................................................................................................................
94
6.1
6.2
6.3
Interrupt Function Types .......................................................................................................................
Interrupt Sources and Configuration....................................................................................................
Interrupt Function Control Registers....................................................................................................
94
94
97
7.
STANDBY FUNCTION....................................................................................................................... 103
7.1
7.2
Standby Function ................................................................................................................................... 103
Standby Function Control Register ...................................................................................................... 106
8.
RESET FUNCTIONS.......................................................................................................................... 107
9.
MASK OPTIONS................................................................................................................................ 110
10. INSTRUCTION SET OVERVIEW....................................................................................................... 111
10.1 Legend..................................................................................................................................................... 111
10.2 Operations............................................................................................................................................... 113